Fistulous

a.	1.	Having the form or nature of a fistula; as, a fistulous ulcer.
	2.	Hollow, like a pipe or reed; fistulose.

Adj.	1.	fistulous - of or pertaining to or attacked by a fistula
	2.	fistulous - like a reed or tube Synonyms: fistular, fistulate

fistular, fistulate, hollow, pathology